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Different types of binoculars are made for different activities. Some are made for bird watching, some are perfect for hunting, and some are for astronomy. Here we will discuss The Best Marine Binoculars available today and what are the features to look forward before buying a marine binocular.

First, Read an article given below,

It will help you to understand some of the terms related with binoculars such as magnification, an objective lens, eye relief, exit pupil etc.

Features to look for in a Marine Binocular

a. Magnification

On a boat in the open water experts always prefer a magnification of 7x, not more than that. Why? Because platform of the boat will not going to be stable and at bigger magnification, any small amount of movement will result in shaky images. 7x is the optimum magnification our hands can manage to keep binocular steady.

b. Objective lens size

Bigger lens size results in more light gathering power that will eventually result in a brighter image in dim light, however larger the lens heavier the binocular will get. So a 50mm is the most preferred objective lens size in top marine binoculars. They have a good balance between weight and quality of image.

c. Fog, Waterproof & Floatable

The most important feature to look for in marine binoculars. Suppose you are in a middle of the sea and accidentally you drop your binoculars in water, what will you do? The floatable feature will save it from drowning.

Sometimes, change in temperature can cause fogging inside the optics. So, to prevent binoculars from fogging and also to make it waterproof manufacturer put argon/nitrogen inside the tube and seal the O-ring.

d. Center focus

There are mainly two ways of focus mechanism available in binoculars, individual focus and center focus. In individual focus, the user focuses each eyepiece separately whereas in center focus user focuses on the object with the help of center knob a more versatile, traditional and easy way and also enable the viewing of close range objects.

e. Compass

Many binoculars come with an inbuilt compass. They enable you to project the bearing of objects. Not essential but nice exotic feature to have in binoculars. Depends on the user whether they want this feature or not.

Our Top 5 Marine Binocular Picks.

1. BARSKA Deep Sea 7×50 Waterproof Floating Binocular

BARSKA Deep Sea 7×50 Waterproof Floating Binocular
  • Powerful zoom with different magnifications ideal for all outdoor activities and sporting events
  • Fully coated optics for crisp and sharp images
  • High quality ruby lens to minimize UV glare

With 7x magnification and 50mm objective lens diameter, these specially designed BARSKA Deep Sea 7×50 Waterproof Floating Binocular is perfect for nautical world and boating enthusiast. These are one of those rare binoculars that also floats. Bak-4 prism with fully multicoated optics (FMC) provides bright & clear view from dusk till dawn. Big Eye relief (minimum 16mm recommended) of 23mm enable the user to use eyeglasses or even sunglasses while observing.

Inbuilt Rangefinder helps to determine the distance of an object with the help of simple geometry. You can read Wikipedia article about how to understand and use the rangefinder feature properly. https://en.wikipedia.org/wiki/Stadiametric_rangefinding.

Aluminum frame with rubber armored coating help to protect the binocular and also provide a superior grip for your hands. A top rated high quality binocular from a brand name BARSKA with a lifetime warranty support. Overall the best marine binocular available today at an affordable price.

That said, here is one satisfied owner take on this scope,

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2. Bushnell H2O Waterproof/Fogproof Porro Prism Binocular

If you are low on cash and cannot afford those expensive Binoculars then this H2O waterproof and fog proof from Bushnell can be a right companion for you that you should always carry before any water adventure. Although it does not come with advanced features available in other binoculars in this list but still in the case of optics and image quality it is not less than anyone. The device comes with anti-reflective multi-layer lens coating that reduces glare and improves contrast. The soft textured grip allows user to comfortably hold the binocular while also provide good resistance from accidental shock and thus prolong the durability and life of binocular. Nitrogen purged optics and O-ring sealed feature allows the binocular to give complete waterproof and fog proof performance.

Here is one satisfied owner take on this scope,

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3. Mentch 7×50 HD Waterproof Military-Marine Binoculars

Mentch 7×50 HD Waterproof Military-Marine Binoculars
  • PERFECT FOR MARINE - Marine binoculars with 7x magnification and 50mm objective lens;22 mm eye relief,6.8mm exit pupil,and field of view is 396 feet at 1000 yards / 132 meters at 1000 meters.
  • ADAPT TO EXTREME ENVIRONMENT - Completly waterproof and float in water.Nitrogen-purged fog proofed Stable,comfortable to hold and highly durable.
  • BRIGHT AND CLEAR - Porro prism system for a wide field of view.Premium BAK4 prism and Fully multi-coated optics produce bright,crisp images.

Designed to perform exceptionally well in any weather condition Mentch 7×50 HD Waterproof binocular from a Chinese manufacturer Hooway is a great asset that can fulfill your day to day need be it bird watching, hunting or other marine activities. With 50mm objective lens (High Density) and fully multi-coated optics, this device enables user to view at longer range.

Device also comes with an internal rangefinder and compass, with  simple math you can easily calculate the distance of an object. Weighing about 908g this binocular is on the slightly heavier side but thanks to tripod adapter feature you can easily attach a tripod to it while using it for a longer duration. In our opinion, it is a great device and important companion that you will need on your voyage.

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4. Steiner Marine 7×50 Binoculars

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Steiner Marine 7×50 Binoculars
  • HIGH CONTRAST OPTICS - For bright, high-contrast images with true-to-life color reproduction, 7x magnification, 50 mm objective diameter, field of view at 1000YD - 356FT.
  • SPORTS AUTO FOCUS - Delivers, once shot, always sharp, briliant 3D images from 20yds to infinity without refocusing, perfect for your active life.
  • FLOATING PRISM SYSTEM - Uses flexible silicone lens mounts to absorb severe shock, impact and abuse without damage.

When it comes to manufacturing high quality optical instruments there is no other name bigger than Steiner. This German optics company is now available in more than 65 countries is the first choice of most mariners, aviators, sportsmen, birders, and explored around the world. In fact, security and military forces around the world also prefer this Brand. This binocular features a 50mm objective lens with Steiner’s own multicoated lens coating that enhance the contrast and light transmission and allow a user to see clearly even in low light condition.

If you ask us to choose one device from this list that performs extraordinary well in low light our pick definitely will be Steiner 7×50. In addition to better low light performance, this also comes with Sports-auto focus mechanism which helps the device to always be in focus from 60′ to infinity. You just have to focus each eyepiece to our vision just once after that it automatically does focusing on next time.

It features a Steiner’s proprietary floating Porro prism system that provides a rich depth of field where you can clearly distinguish between near and distant objects and floating design helps in absorbing any external force from drops or knocks to protect the prisms and their alignment. When it comes to durability, it performs extremely well even in this department also. Makrolon polycarbonate chassis and rubber armor grip save and protect the device from corrosion, extreme temperature and any kind of impact. In short, great all-round device that can perform well in any condition and can withstand any torture for the end of time.

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5. Steiner MM1050 Military-Marine 10×50 Tactical Binocular

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Steiner MM1050 Military-Marine 10×50 Tactical Binocular
  • Rugged binocular with 10x magnification and 50mm objective lens
  • Tough rubber-armored housing; long 17mm eye relief
  • Large depth-of-field focusing is ideal for spotting prey

Another exceptional Binocular from Steiner for those who demand superior performance over a wide range of use. Its performance comes from the large 50mm objective lenses that draw in the ample amount of light to give a superior low-light performance while 10x magnification allows detailed observation of a distant object with a generously wide field of view. The device also comes with Steiner proprietary Sports-Auto-Focus™ system where you just have to set each eyepiece to focus just once then it will give a constant and clear view from 20yds to infinity without the need to refocus even if the subject is moving.

In addition to great optical performance, the construction or build is even extraordinary. Steiner has used an NBR synthetic rubber armor coating that is fully resistant to any chemicals and also provides a secure grip. Other than that Steiner 10×50 Military/Marine Binocular also features a Makrolon polycarbonate chassis which we found to be extremely tough and durable. In fact, the manufacturer is so sure about the quality of the device that they offered a Steiner Heritage Warranty where they promise to replace the device for the lifetime without asking any questions, even if you don’t have the warranty card.

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Final words

This conclude our “Best Marine Binoculars” list. One thing you should know there are some other expensive binoculars available in the market priced around $1000 or above that. We did not include those expensive binoculars in this list because it is against our websites policies to feature expensive device here. We only focus on affordable devices here. All the binoculars mentioned above is priced under $500. If budget is not a problem for you check out other expensive models here.

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